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Journal articles on the topic 'Hydro-mechanical loading'

Author: Grafiati

Published: 20 December 2023

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1

Hao, Qi-Jun, Zhao-Peng Zhang, Xin-Zhong Wang, et al. "Study on mechanical properties and acoustic emission response of deep granite under hydro-mechanical coupling." Thermal Science 27, no. 1 Part B (2023): 631–38. http://dx.doi.org/10.2298/tsci2301631h.

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The study on the mechanical response of deep rock under hydromechanical couplings condition can guide the safe excavation and stability evaluation of deep tunnel engineering. The effects of monotonic loading and cyclic loading on the mechanical properties of granite under 5 MPa pore water pressure and 10 MPa confining pressure were studied by laboratory tests. Before the peak stress, the permeability under monotonic loading was significantly higher than that under cyclic loading, and the permeability under cyclic loading increased sharply after the peak stress. There were two active periods of

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2

Ashrafi, Mehran, Farzan Ghalichi, Behnam Mirzakouchaki, and Iman Zoljanahi Oskui. "Numerical simulation of hydro-mechanical coupling of periodontal ligament." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 234, no. 2 (2019): 171–78. http://dx.doi.org/10.1177/0954411919887071.

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Orthodontic tooth movement in the alveolar bone is due to the mechanical response of periodontal ligament to applied forces. Definition of a proper constitutive model of the periodontal ligament to investigate its response to orthodontic loading is required. For this purpose, a three-dimensional finite element model of incisor tooth, periodontal ligament, and bone was built utilizing the hydro-mechanical coupling theory. Tooth displacement in response to orthodontic loading was then investigated, and the effect of different mechanical behaviors assigned to the solid phase of the periodontal li

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Zhou, Yimeng, Cheng Zhao, Chunfeng Zhao, Chuangchuang Ma, and Junfei Xie. "Experimental Study on the Fracturing Behaviors and Mechanical Properties of Cracks under Coupled Hydro-Mechanical Effects in Rock-like Specimens." Water 10, no. 10 (2018): 1355. http://dx.doi.org/10.3390/w10101355.

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The artificial fracturing technique under coupled hydro-mechanical effects is widely used in many rock engineering. Therefore, the study on the fracturing behaviors and mechanical properties of hydro-mechanical coupled cracks is very crucial. In this study, a series of fracturing tests were conducted on the cylinder gypsum specimens with single pre-existing cracks using triaxial compression loading system. Water pressure was applied inside the pre-existing cracks and led to the specimen failure with external compression loading. A new type of cracks, namely horizontal coupled cracks (HCC), wer

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4

Song, Zhixiang, Junwen Zhang, and Shaokang Wu. "Energy Dissipation and Fracture Mechanism of Layered Sandstones under Coupled Hydro-Mechanical Unloading." Processes 11, no. 7 (2023): 2041. http://dx.doi.org/10.3390/pr11072041.

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Rock burst is easy to occur in the water-rich roadway of coal mines, which is closely related to the energy dissipation and fracture mechanism of rocks under coupled hydro-mechanical (H-M) unloading. Therefore, in combination with the triaxial loading and unloading process and H-M coupling effect, the mechanical test of layered sandstones under coupled hydro-mechanical unloading (TLUTP) was conducted. The energy dissipation and fracture mechanism were revealed. The results show that: (1) The influence of layered angles on the peak volumetric strain is more sensitive than that of confining pres

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Alcantara, Arisleidy Mesa, Enrique Romero, Nadia Mokni, and Sebastià Olivella. "Microstructural and hydro-mechanical behaviour of bentonite pellets and powder mixtures." E3S Web of Conferences 195 (2020): 04003. http://dx.doi.org/10.1051/e3sconf/202019504003.

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Binary mixtures of high-density MX-80 bentonite pellets (80%) and bentonite powder (20%) at hygroscopic water content have been recently considered as an alternative engineered barrier system for the long-term disposal of radioactive wastes. These mixtures display a dry density of around 1.49 Mg/m3 on pouring and present components with multi-modal pore size distributions that significantly evolve during the hydro-mechanical paths. To better understand the hydro-mechanical behaviour of this multiple porosity mixture, the contribution initially focuses on describing the initial state, as well a

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Zhao, Youqun, Han Xu, Yaoji Deng, and Qiuwei Wang. "Multi-objective optimization for ride comfort of hydro-pneumatic suspension vehicles with mechanical elastic wheel." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 11 (2018): 2714–28. http://dx.doi.org/10.1177/0954407018804909.

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The new mechanical elastic wheel has the following advantages: non-pneumatic, anti-puncture, and explosion-proof. However, the larger radial stiffness is detrimental to vehicle ride comfort. To solve this problem, an integrated design method of hydro-pneumatic suspension matching mechanical elastic wheel is proposed in this paper. First, the nonlinear radial stiffness of mechanical elastic wheel is fitted by static loading experiment. Next, the mathematical model of hydro-pneumatic suspension is derived. Then, a half-car model, integrating hydro-pneumatic suspension and mechanical elastic whee

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Nishimura, Tomoyoshi. "Cyclic behaviour of an unsaturated silty soil subjected to hydro-mechanical damage." E3S Web of Conferences 195 (2020): 03037. http://dx.doi.org/10.1051/e3sconf/202019503037.

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The dynamic behaviour of unsaturated soil subjected to cyclic loading is considered using two stress state variables, net normal stress and matric suction. Though the influence of excess pore-water pressures in fully saturated soils has been investigated through experimental works for decades, it is significant in practice for unsaturated soil dynamic behaviour to be compared to saturated soil dynamic strength-deformation properties. Matric suction can be described as a scalar, which is useful in establishing safety factors and in mathematical simulations. This study focused on the dynamic beh

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Galek, Artur, Harald Moser, Thomas Ring, Matthias Zeiml, Josef Eberhardsteiner, and Roman Lackner. "Mechanical and Transport Properties of Concrete at High Temperatures." Applied Mechanics and Materials 24-25 (June 2010): 1–11. http://dx.doi.org/10.4028/www.scientific.net/amm.24-25.1.

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When concrete structures are subjected to fire loading, temperature-dependent degradation of the material properties as well as spalling of near-surface concrete layers has a considerable effect on the load-carrying capacity and, hence, the safety of these structures. Spalling is caused by interacting thermo-hydro-chemo-mechanical processes with both mechanical and transport properties playing an important role. Within experimental research activities at the IMWS, these properties are subject of investigation, i.e., (i) the strain behavior of concrete under combined thermal and mechanical load

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9

Yu, Hongdan, Weizhong Chen, Zhe Gong, Xianjun Tan, and Diansen Yang. "Loading-unloading behavior of a clayey rock under thermo-hydro-mechanical conditions." International Journal of Rock Mechanics and Mining Sciences 148 (December 2021): 104966. http://dx.doi.org/10.1016/j.ijrmms.2021.104966.

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10

Ghasemzadeh, H., and S. A. Ghoreishian Amiri. "A hydro-mechanical elastoplastic model for unsaturated soils under isotropic loading conditions." Computers and Geotechnics 51 (June 2013): 91–100. http://dx.doi.org/10.1016/j.compgeo.2013.02.006.

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Arzanfudi, Mehdi M., Rafid Al-Khoury, L. J. Sluys, and G. M. A. Schreppers. "A thermo-hydro-mechanical model for energy piles under cyclic thermal loading." Computers and Geotechnics 125 (September 2020): 103560. http://dx.doi.org/10.1016/j.compgeo.2020.103560.

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12

Ouagne, Pierre, Joël Bréard, Tariq Ouahbi, Abdelghani Saouab, and C. H. Park. "Hydro-mechanical loading and compressibility of fibrous media for resin infusion processes." International Journal of Material Forming 3, S2 (2009): 1287–94. http://dx.doi.org/10.1007/s12289-009-0671-x.

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13

Hashemi, Amirhossein, and Melis Sutman. "Thermo-hydro-mechanical behaviour of partially saturated fine-grained soils in the context of energy geostructures." Soils and Rocks 45, no. 1 (2022): 1–17. http://dx.doi.org/10.28927/sr.2022.076821.

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The multi-physical phenomena, particularly water content and temperature variations, governing the behaviour of soils should be considered in the design and analysis of the energy geostructures. Soil temperature and water content variations impose a significant risk on the stability and serviceability of existing and future geostructures. Although potential failure modes, impacts at a system scale, and the response of saturated soils to thermal loads are previously discussed, interpretation of the thermo-hydro-mechanical behaviour of partially saturated soils in the context of energy geostruct

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14

Akay, S. B., E. F. Şükür, M. Turkoz, S. Halkaci, M. Koç, and S. Avcı. "Determination of Proper Loading Profiles for Hydro-Mechanical Deep Drawing Process Using FEA." Applied Mechanics and Materials 686 (October 2014): 540–48. http://dx.doi.org/10.4028/www.scientific.net/amm.686.540.

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Hydro-mechanical Deep Drawing (HMD) is an advanced manufacturing process developed to form sheet metal blanks into complex shapes with smooth surfaces using hydraulic pressure as an additional source of deformation force. There are many factors affecting the successful production of desired parts using this manufacturing process. The most important factors are the fluid pressure and blank holder force. Having proper values of these parameters during forming has a direct impact on part properties such as drawing ratio and thinning. In order to determine desired the fluid pressure and blank hold

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Ghobadi, Behnam, Hamidreza Nejati, and Kamran Goshtasbi. "Numerical Modeling of Hydro-Mechanical Behavior of Rock Joints under Direct Shear Loading." Journal of Aalytical and Numerical Methods in Mining Engineering 7, no. 13 (2017): 35–44. http://dx.doi.org/10.29252/anm.7.13.35.

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Motoshima, Takayuki, Sachie Iso, and Tomoyoshi Nishimura. "Behavior of compacted Ca-bentonite subjected to HMC loading: observations and interpretation." MATEC Web of Conferences 337 (2021): 04004. http://dx.doi.org/10.1051/matecconf/202133704004.

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This study presents result of HMC experimental test and discussions of chemical effort in Cabentonite. SWCC test, swelling pressure test and unconfined compression test as hydro-mechanical-chemical (HMC) test were applied to Cabentonite-sand mixture. Na-type bentonite has been studied to predict safety and confidence for artificial barrier layer consist of bentonite that many experimental research reports are represented, and can offer technology advanced comprehensive performance due to mathematical simulation models associated to physical parameters on thermal-hydration-mechanical-chemical p

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Zeng, Hao, Laura Gonzalez-Blanco, Enrique Romero, and Alessandro Fraccica. "Microstructure and hydro-mechanical behaviour of compacted granular bentonite." E3S Web of Conferences 382 (2023): 14010. http://dx.doi.org/10.1051/e3sconf/202338214010.

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In recent years, granular bentonite GB has become a reference material since it facilitates the backfilling operation due to high-density compacted granules with extended grain size distribution(maximum sizes around 10 mm). This investigation explores the initial microstructure of MX80-type GB and the hydro-mechanical HM response observed at the phenomenological scale. Samples were statically compacted at a fixed dry density (1.55 Mg/m3 ), encompassing dry and wet sides of the optimum. Themicrostructural study was performed using a combination of X-ray micro-computed tomography and mercury int

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18

Rodrigues Borges, Camilla, Bruna de Carvalho Faria Lima Lopes, and Manoel Porfírio Cordão Neto. "Pore size distribution of Brasilia tropical soil in 3 different initial states." E3S Web of Conferences 92 (2019): 01009. http://dx.doi.org/10.1051/e3sconf/20199201009.

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In the last decades there was an evolution in the analysis of the soil structure, most importantly, there was an improvement in the evaluation and in the ways of determining the mentioned structure and how it relates to the hydro-mechanical behaviour of soils. Due to the necessity of understanding the behaviour of tropical soils under different structures (natural, compacted and slurry) this study was developed by means of the Mercury Intrusion Porosimetry (MIP), enabling the analysis of the structural characteristics of these samples. The main objective of this work is to evaluate how the dif

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19

Cerroni, Daniele, Mattia Penati, Giovanni Porta, Edie Miglio, Paolo Zunino, and Paolo Ruffo. "Multiscale Modeling of Glacial Loading by a 3D Thermo-Hydro-Mechanical Approach Including Erosion and Isostasy." Geosciences 9, no. 11 (2019): 465. http://dx.doi.org/10.3390/geosciences9110465.

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We present a computational framework that allows investigating the Thermo-Hydro- Mechanical response of a representative part of a sedimentary basin during a glaciation cycle. We tackle the complexity of the problem, arising by the mutual interaction among several phenomena, by means of a multi-physics, multi-scale model with respect to both space and time. Our contribution addresses both the generation of the computational grid and the algorithm for the numerical solution of the problem. In particular we present a multi-scale approach accounting for the global deformation field of the lithosp

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20

Woodman, Nicholas D., William G. Burgess, Kazi Matin Ahmed, and Anwar Zahid. "A partially coupled hydro-mechanical analysis of the Bengal Aquifer System under hydrological loading." Hydrology and Earth System Sciences 23, no. 5 (2019): 2461–79. http://dx.doi.org/10.5194/hess-23-2461-2019.

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Abstract. The coupled poro-mechanical behaviour of geologic-fluid systems is fundamental to numerous processes in structural geology, seismology, and geotechnics, but is frequently overlooked in hydrogeology. Substantial poro-mechanical influences on groundwater head have recently been highlighted in the Bengal Aquifer System, however, driven by terrestrial water loading across the Ganges–Brahmaputra–Meghna floodplains. Groundwater management in this strategically important fluvio-deltaic aquifer, the largest in southern Asia, requires a coupled hydro-mechanical approach which acknowledges por

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21

Rui, Yi, and Mei Yin. "Investigations of pile–soil interaction under thermo-mechanical loading." Canadian Geotechnical Journal 55, no. 7 (2018): 1016–28. http://dx.doi.org/10.1139/cgj-2017-0091.

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Thermo-active piles that couple load bearing with ground source heat pump systems are one of the new technologies in geotechnical engineering. This paper investigates the pile–soil interaction behaviour of a thermo-active pile in overconsolidated London clay by conducting a thermo-hydro-mechanical finite element analysis using an advanced soil constitutive model. Negative and positive excess pore pressures are computed around the pile during cooling and heating, respectively. However, the difference in the radial effective stress acting on the pile–soil interface between the cooling and heatin

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22

Wildenborg, A. F. B., B. Orlic, J. F. Thimus, et al. "Radionuclide transport in clay during climate change." Netherlands Journal of Geosciences - Geologie en Mijnbouw 82, no. 1 (2003): 19–30. http://dx.doi.org/10.1017/s0016774600022769.

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AbstractThe Dutch national research programme into the feasibility of retrievable storage of radioactive waste (CORA Programme Phase I; CORA: Comité Opslag Radioactief Afval = Committee on Radioactive Waste Disposal) examined the suitability of Tertiary clay deposits for such storage. Long-term isolation – up to 1 million years – of high-level radioactive waste under varying conditions is essential. A key concern is the hydro-mechanical response of the clay deposits in which radioactive waste might possibly be stored, in particular during glacial climate conditions as has happened repeatedly i

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23

Tartière, Jérémie, Michel Arrigoni, Alain Nême, Hugo Groeneveld, and Sjoerd Van Der Veen. "PVDF Based Pressure Sensor for the Characterisation of the Mechanical Loading during High Explosive Hydro Forming of Metal Plates." Sensors 21, no. 13 (2021): 4429. http://dx.doi.org/10.3390/s21134429.

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High explosive hydro forming (HEHF) is a suitable technique for large metal plate forming. Manufacturing stages of such a part requires an adapted design of explosive charge configurations to define the mechanical loading exerted on the part. This mechanical loading remains challenging to be experimentally determined but necessary for predictive numerical simulation in the design of parts to form. Providing that the actual mechanical impulse would allow the neglecting of the modelling of the detonation stage, this considerably increases the computational time. The present work proposes an expe

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Sun, Yazhen, Rui Guo, Lin Gao, Jinchang Wang, Xiaochen Wang, and Xuezhong Yuan. "Study on Dynamic Response Characteristics of Saturated Asphalt Pavement under Multi-Field Coupling." Materials 12, no. 6 (2019): 959. http://dx.doi.org/10.3390/ma12060959.

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To study the dynamic response of saturated asphalt pavement under moving load and temperature load, 3-D finite element models for asphalt pavements with hydro-mechanical coupling and thermal-hydro-mechanical coupling were built based on the porous media theory and Biot theory. First, the asphalt pavement structure was considered as an ideal saturated fluid–solid biphasic porous medium. Following this, the spatial distribution and the change law of the pore-water pressure with time, the transverse stress, and the vertical displacement response of the asphalt pavement under different speeds, loa

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Mir Tamizdoust, Mohammadreza, and Omid Ghasemi-Fare. "Comparison of thermo-poroelastic and thermo-poroelastoplastic constitutive models to analyze THM process in clays." E3S Web of Conferences 205 (2020): 04008. http://dx.doi.org/10.1051/e3sconf/202020504008.

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Thermal pore pressurization in soil media has been investigated for the past few decades. It has been shown that temperature variations may significantly affect thermal pore pressure in clay soils confined deep into the ground. Moreover, thermal loading may lead to stress change and thermal deformation. Thermo-poroelastic and advance thermo-poroelastoplastic constitutive models have been formulated and incorporated numerically to simulate the thermo-hydro-mechanical process. However, the accurate response of soil media during THM process has not been completely understood. Although numerical m

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Xu, Yongchao, Yu Chen, and Shijian Yuan. "Influences of loading paths on thickness of aluminium alloy cup with Hydro-mechanical Deep Drawing." International Journal of Materials and Product Technology 38, no. 2/3 (2010): 173. http://dx.doi.org/10.1504/ijmpt.2010.032098.

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Prassetyo, Simon Heru, and Marte Gutierrez. "Effect of surface loading on the hydro-mechanical response of a tunnel in saturated ground." Underground Space 1, no. 1 (2016): 1–19. http://dx.doi.org/10.1016/j.undsp.2016.06.001.

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LIU, WEI, LINZHI WU, and SHIJIAN YUAN. "EFFECT OF HYDRAULIC PRESSURE ON WARM HYDRO MECHANICAL DEEP DRAWING OF MAGNESIUM ALLOY SHEET." International Journal of Modern Physics B 23, no. 06n07 (2009): 1975–80. http://dx.doi.org/10.1142/s0217979209061925.

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The uniaxial tensile test and hydraulic bulging test of AZ31 magnesium alloy sheets were applied to study the influence of temperature on the material properties and obtain the forming limit curves at different temperatures. Numerical simulations of warm hydro mechanical deep drawing were carried out to investigate the effect of hydraulic pressure on the formability of a cylindrical cup, and the simplified hydraulic pressure profiles were used to simulate the loading procedure of hydraulic pressure. The optimal hydraulic pressure at different temperatures were given and verified by experimenta

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29

Ivanov, Konstantin Samson. "Creation of Adaptive-Mechanical Continuously Variable Transmission." Applied Mechanics and Materials 436 (October 2013): 63–70. http://dx.doi.org/10.4028/www.scientific.net/amm.436.63.

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Recently there were patents on not switched gear continuously variable transmission (CVT) without hydro transformer. In transmission wheelwork with two degrees of freedom and one entrance is used. Adaptive mechanism of CVT provides possibility of output link movement with speed inversely to resistance force at constant input power. However the theoretical description of such transmissions is not convincing enough. Obviously at the basis of creation of adaptive transfers with two degrees of freedom essentially new regularity of mechanics lies. Purpose of present work is to formulate regularitie

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DURUKAN, Seda, and Ender BAŞARI. "Experimental Investigation of Hydro-Mechanical Soil Properties of a Slope Failure." Gazi University Journal of Science Part A: Engineering and Innovation 9, no. 4 (2022): 392–400. http://dx.doi.org/10.54287/gujsa.1141808.

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A sudden slope failure occurred in Manisa possibly due to the effect of water infiltration because of a slightly damaged sewage pipe. Considering that there was no other evidence such as rainfall or any loading conditions to trigger the slope failure, a laboratory investigation on the soil’s unsaturated hydro-mechanical properties was initiated. Slopes are naturally unsaturated soils, and they may lose their stability with increased saturation degrees with water infiltration. Thus, for a proper investigation, the unsaturated hydro-mechanical properties of soils should be determined. The result

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Saeidi Rashk Olia, Arash, and Dunja Perić. "Cross validation of analytical solutions against the computational model predictions of the response of end bearing energy pile." E3S Web of Conferences 205 (2020): 05019. http://dx.doi.org/10.1051/e3sconf/202020505019.

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Predictions of responses of a single energy pile to a combined mechanical and thermal loading are presented. They were obtained from computational and analytical models. The former model provided predictions based on a coupled thermal hydro-mechanical finite element analysis while the predictions of the latter were obtained from the recently derived analytical solutions. The energy pile is surrounded by a single uniform soil layer underlain by a very stiff bedrock. Two scenarios of temperature history were considered. In the first scenario the pile remained in a net heated state while the seco

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32

Song, Jie-Fang, Cai-Ping Lu, Zhao-Wei Zhan, Hai-Feng Cui, Yan-Min Wang, and Jian-Hua Wang. "Numerical and Field Investigations of Acoustic Emission Laws of Coal Fracture under Hydro-Mechanical Coupling Loading." Materials 15, no. 19 (2022): 6510. http://dx.doi.org/10.3390/ma15196510.

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Taking coal under hydro-mechanical coupling as the research object, the discrete element software PFC3D (particle flow code) was used to analyze the relationships among the force, acoustic emission (AE), and energy during coal fracture. Based on the moment tensor (MT) inversion, we revealed the AE event distribution and source type during crack initiation and propagation until the final failure of coal. Meanwhile, we examined the relationships among the stress, number and type of cracks, magnitude, KE, and b value of AE under different water and confining pressures. The results show that the n

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Riad, Beshoy, and Xiong Zhang. "Modified State Surface Approach to Study Unsaturated Soil Hysteresis Behavior." Transportation Research Record: Journal of the Transportation Research Board 2674, no. 10 (2020): 484–98. http://dx.doi.org/10.1177/0361198120937014.

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Unsaturated soils are often used as a construction material in transportation infrastructures. In this situation, unsaturated soils are subjected to cyclic mechanical loading from traffic loads or wetting-drying cycles in seasonal climatic conditions. While mechanical hysteresis is a common feature of soils in general, hydraulic hysteresis is associated with unsaturated soils. Although several constitutive models for unsaturated soils have been proposed, the mechanical and hydraulic hysteresis behavior of unsaturated soils has been little studied. A modified state surface approach (MSSA) was f

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Pereira, Jean-Michel. "Effects of microstructure on THM behaviour of geomaterials." E3S Web of Conferences 382 (2023): 11001. http://dx.doi.org/10.1051/e3sconf/202338211001.

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In this paper, we discuss the thermo-hydro-mechanical behaviour of geomaterials at the light of their microstructure and its changes induced by multiphysics loading. After recalling the strong links between the microstructure and the water retention properties of unsaturated soils, the relation between themicrostructure and the physical properties ruling heat and mass transfers are discussed. The mechanical behaviour of unsaturated soils is then discussed focussing on the definition of an effective stress based on a microstructure description. The experimental determination of this microstruct

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Yu, Dunji, Ke An, Carrie Y. Gao, William T. Heller, and Xu Chen. "A portable hydro-thermo-mechanical loading cell forin situsmall angle neutron scattering studies of proton exchange membranes." Review of Scientific Instruments 84, no. 10 (2013): 105115. http://dx.doi.org/10.1063/1.4826349.

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Taghipour, Ehsan, and Ahmad Assempour. "The effects of proportional loading, plane stress, and constant thickness assumptions on hydro-mechanical deep drawing process." International Journal of Mechanical Sciences 53, no. 5 (2011): 329–37. http://dx.doi.org/10.1016/j.ijmecsci.2011.02.002.

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Varnosfaderani, Alireza Mokhtari, Ehsan Motevali Haghighi, Behrouz Gatmiri, and Seonhong Na. "Investigation of Climate Change on Unsaturated Porous Media via a Discrete Thermo-Hydro-Mechanical Model." Applied Sciences 11, no. 16 (2021): 7617. http://dx.doi.org/10.3390/app11167617.

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The impacts of climate change on unsaturated porous media have been investigated through the coupled thermo-hydro-mechanical analysis by leveraging a discrete fracture model. The transport of gas and liquid phases in unsaturated porous media is captured under non-isothermal conditions. The balance principles of moisture energy and mass are associated with crack propagation. The temperature-dependent degree of saturation and permeability of water are incorporated into fracture based on the cubic law. Numerical examples are designed to evaluate the applicability of the proposed model against cli

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Yi, Wei, Qiuhua Rao, Zhuo Li, and Charlie Chun-Lin Li. "A New Method for Predicting the Crack Propagation Process of Brittle Rock Under Thermo-Hydro-Mechanical Loading Conditions." IEEE Access 9 (2021): 82888–902. http://dx.doi.org/10.1109/access.2021.3076001.

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Kou, Miaomiao, Xinrong Liu, Shangding Tang, and Yunteng Wang. "3-D X-ray computed tomography on failure characteristics of rock-like materials under coupled hydro-mechanical loading." Theoretical and Applied Fracture Mechanics 104 (December 2019): 102396. http://dx.doi.org/10.1016/j.tafmec.2019.102396.

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Rotisciani, Giada M., Leonardo M. Lalicata, Augusto Desideri, and Francesca Casini. "Numerical modelling of the response of an unsaturated silty soil under wetting and gravitational loading processes." E3S Web of Conferences 195 (2020): 02012. http://dx.doi.org/10.1051/e3sconf/202019502012.

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This paper presents the results of a numerical study aiming at simulating the response of an unsaturated fine-grained soil under wetting and gravitational loading processes. This study is based on the results of some centrifuge tests carried out to assess the influence of partial saturation on the laterally loaded pile response. The hydro-mechanical behaviour of the silty soil is described using a constitutive model adapted to unsaturated conditions. The model predictions are compared with the measurements provided by LVDTs and laser transducers in the first phases of the experimental study. B

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Cordão Neto, Manoel Porfirio, Oisy Hernández, Raydel Lorenzo Reinaldo, Camila Borges, and Bernardo Caicedo. "Study of the relationship between hydro-mechanical soil behavior and microstructure of a structured soil." Earth Sciences Research Journal 22, no. 2 (2018): 91–101. http://dx.doi.org/10.15446/esrj.v22n2.65640.

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Structured soils, such as residual laterites or volcanic ashes, abound in tropical regions. The hydro-mechanical behavior of these soils is clearly related to their structure. New techniques based on microstructural studies constitute a powerful tool for investigating these soils. This work presents an experimental investigation that documents the relationships between the microstructure and the mechanical behavior of these soils. This study focuses on the microstructural behavior of Brasilia clay, a structured, highly porous tropical soil (n>50%) with a bimodal pore size distribution. The

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Bonnelye, Audrey, Pierre Dick, Marco Bohnhoff, et al. "CHENILLE: Coupled Behavior Understanding of Faults: from the Laboratory to the Field." Advances in Geosciences 58 (March 17, 2023): 177–88. http://dx.doi.org/10.5194/adgeo-58-177-2023.

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Abstract. The understanding of coupled thermo-hydro-mechanical behaviour of fault zones or in naturally fractured reservoirs is essential both for fundamental and applied sciences and in particular for the safety assessment of radioactive waste disposal facilities. The overall objective of the CHENILLE project is to better understand the physical processes resulting from thermal and hydraulic loading in a small fault zone in a highly consolidated shale formation. Consequently, a thermally controlled in-situ fluid injection experiment is intended to be performed on a strike-slip fault zone outc

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Kayser, Timon, Wiebke Baille, Merita Tafili, and Torsten Wichtmann. "Coupled hydro-mechanical behaviour of a Kaolin Clay in the context of the geothermal use of geotechnical structures." E3S Web of Conferences 382 (2023): 23002. http://dx.doi.org/10.1051/e3sconf/202338223002.

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An experimental study regarding the hydro-mechanical behaviour of a Malaysian Kaolin is presented. Strain rate-controlled oedometer tests have been conducted on compacted samples. The influence of initial water content on the pore-size distribution (PSD) of compacted samples was investigated by Mercury Intrusion Porosimetry (MIP) tests. The drying path of the soil-water characteristic curve was experimentally determined for initially compacted samples and slurry samples. The preconsolidation stress was found to increase with increase in initial dry density and with decrease in initial water co

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Haghi, Amir H., and Richard Chalaturnyk. "Experimental Characterization of Hydrodynamic Properties of a Deformable Rock Fracture." Energies 15, no. 18 (2022): 6769. http://dx.doi.org/10.3390/en15186769.

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Characterization of stress-dependent single-phase and multiphase fluid transport in fractured geo-materials is essential for a wide range of applications, including CO2 sequestration, energy storage, and geo-energy extraction. However, pivotal studies on capillarity and multiphase fluid flow in deformable rock fractures are surprisingly sparse. In this study, we initially investigated the hydro-mechanical properties of an intact mixed-wet Calumet carbonate from the Waterways formation (Alberta) under isothermal conditions (40 °C). Then, we conducted core-flooding experiments using water and N2

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FATHALIKHANI, MARZIYEH, and BEHROUZ GATMIRI. "COUPLED ANALYSIS OF DAMAGE IN MULTIPHASE MEDIA." Journal of Multiscale Modelling 04, no. 02 (2012): 1250008. http://dx.doi.org/10.1142/s1756973712500084.

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In this paper, the theoretical framework of a coupled thermo-hydro-mechanical damage model dedicated to non-isothermal unsaturated porous media is presented. The damage variable is a second-order tensor, and the model has been formulated in independent state variables. The approach combines thermodynamic and micromechanical theories. The behavior laws have been derived from a postulated expression of Helmholtz free energy. The damaged rigidities have been computed by applying the Principle of Equivalent Elastic Energy (PEEE). Internal length parameters have been introduced in the expressions o

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Pedone, Giuseppe, Lidija Zdravkovi, David Potts, and Aikaterini Tsiampousi. "Numerical modelling of unsaturated MX-80 bentonite subjected to two different hydration paths and subsequent loading to high-pressures." E3S Web of Conferences 382 (2023): 14009. http://dx.doi.org/10.1051/e3sconf/202338214009.

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MX-80 bentonite has been considered as a suitable material for the construction of engineered barriers employed in deep geological radioactive waste repositories. These barriers are generally formed of compacted unsaturated bentonite, the latter experiencing a slow saturation due to its low permeability whileinteracting with the surrounding groundwater. In order to verify the long-term safety requirements of engineered barriers, their response to hydration has to be carefully assessed. As part of the recent European project BEACON (Bentonite Mechanical Evolution), the behaviour of MX-80 benton

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Lin, Hai, Jingen Deng, Xiaocheng Zhang, and Jiajia Gao. "Porothermoelastic Response of a Borehole in Fluid-Saturated Medium Subjected to Thermal Osmosis Effect." Geofluids 2023 (May 22, 2023): 1–13. http://dx.doi.org/10.1155/2023/4030804.

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With the thermo-hydro-mechanical coupling process considered, this paper derives a set of analytical porothermoelastic solutions to field variables including the stress, displacement, and pore pressure fields to evaluate the wellbore stability around a vertical borehole drilled through an isotropic porous rock. The thermal effect on the wellbore stability of the low-permeability saturated rock also introduces the thermal osmosis term. The wellbore problem is decomposed into axisymmetric and deviatoric loading cases considering the borehole subjected to a nonhydrostatic stress field. It obtains

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Liu, Kaiwen, Qian Su, Fei Yue, Bao Liu, Ruizhe Qiu, and Ting Liu. "Effects of suffosion-induced contact variation on dynamic responses of saturated roadbed considering hydro-mechanical coupling under high-speed train loading." Computers and Geotechnics 113 (September 2019): 103095. http://dx.doi.org/10.1016/j.compgeo.2019.103095.

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Qiao, Liping, Zhechao Wang, Wei Li, Huan Liu, and Lei Yang. "Effect of Lateral Stress on the Mechanical Properties of Rock Fracture and Its Implication on the Stability of Underground Oil Storage Caverns." Journal of Marine Science and Engineering 10, no. 5 (2022): 677. http://dx.doi.org/10.3390/jmse10050677.

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It is of great significance to study the mechanical properties of rock fracture for the stability of rock engineering projects. The mechanical properties, including the normal compression and shear properties of rock fracture, are studied by a series of shear tests considering the effect of lateral stress using the self-developed true triaxial test apparatus. The test results show that the initial normal stiffness and the maximum normal closure value of rock fracture increase with the increase of lateral stress, and the peak shear strength and the peak dilatancy angle increase with the increas

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Blöcher, Guido, Christian Kluge, Harald Milsch, Mauro Cacace, Antoine B. Jacquey, and Jean Schmittbuhl. "Permeability of matrix-fracture systems under mechanical loading – constraints from laboratory experiments and 3-D numerical modelling." Advances in Geosciences 49 (September 5, 2019): 95–104. http://dx.doi.org/10.5194/adgeo-49-95-2019.

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Abstract. The permeability of single fractures is commonly approximated by the cubic law assumption, which is however only valid under the condition of a single phase laminar flow between parallel plates. Departure from cubic law are related to many features like aperture fluctuations due to fracture surface roughness, relative shear displacement, the amount of flow exchange between the matrix and the fracture itself, etc. In order to quantify constitutive relationships among the aforementioned aspects, we have conducted a flow-through experiment with a porous rock sample (Flechtinger sandston

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